X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details 3.2M AMMONIUM SULPHATE, 0.2M LISO4, 0.1M CITRATE PH5.6, pH 5.60

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 88.26 α = 90
b = 88.26 β = 90
c = 217.85 γ = 120
Symmetry
Space Group P 31 1 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-06-15
Diffraction Radiation
Monochromator Protocol
SI 111 CHANNEL CUT MONOCHROMATOR SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.5 -- SRS PX9.5

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
2.18 28.9 98.6 -- 0.067 -- 2.5 -- 49696 -- -- 29.0
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.18 2.26 97.2 -- 0.365 2.2 2.3 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 2.18 25.0 -- 0.0 -- 44982 2368 98.6 -- -- 0.162 0.212 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 31.4
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 30.9
p_plane_restr 0.0248
p_planar_tor 4.9
p_mcbond_it 1.663
p_scangle_it 3.132
p_planar_d 0.046
p_chiral_restr 0.141
p_scbond_it 2.231
p_multtor_nbd 0.26
p_bond_d 0.016
p_mcangle_it 2.303
p_staggered_tor 15.7
p_angle_d 0.041
p_xyhbond_nbd 0.154
p_singtor_nbd 0.187
p_special_tor 15.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5909
Nucleic Acid Atoms 0
Heterogen Atoms 66
Solvent Atoms 645

Software

Software
Software Name Purpose
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing